Determine the topic of the passage. "The liver produces urea in the urea cycle as a waste product of the digestion of protein ." Topic:
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Answer: Blood urea nitrogen


Determine the topic of the passage. "The Romanian-born Cretu conceived the Enigma project while working in Germany, but based his recording studio A.R.T. Studios in Ibiza, Spain , from the early 1990s until May 2009, where he has recorded all of Enigma's studio releases to date." Topic:
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Answer: Enigma (musical project)


Determine the topic of the passage. "A mnemonic (, with a silent "m"), or mnemonic device, is any learning technique that aids information retention." Topic:
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Answer:
Mnemonic